General fact: 5237 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 5237 is a value of n for which n and 8n together use each digit 1-9 exactly once.
Trivia: 5237 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: May 3rd is the day in 1481 that the largest of three earthquakes strikes the island of Rhodes and causes an estimated 30,000 casualties.